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https://www.readbyqxmd.com/read/28213788/three-different-approaches-to-the-inferior-mesenteric-artery-during-robotic-d3-lymphadenectomy-for-rectal-cancer
#1
Songphol Malakorn, Tarik Sammour, Brian Bednarski, Yi-Qian Nancy You, George J Chang
BACKGROUND: In rectal cancer surgery, proximal ligation of the inferior mesenteric artery (IMA) with radical lymphadenectomy is the accepted standard of care.1 Our purpose is to describe three different standardized technical approaches for the management of the IMA during D3 lymphadenectomy.2 METHODS: Operative videos of three robotic D3 lymphadenectomy procedures for rectal cancer were reviewed and annotated with schematic anatomical descriptions for clarification. RESULTS: There are three methods for the management of the IMA during D3 lymphadenectomy for rectal cancer...
February 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28133149/-a-case-of-mesenteric-fibromatosis-after-robot-assisted-total-gastrectomy-for-gastric-cancer
#2
Makoto Nakai, Toshiyuki Tazawa, Naoki Wajima, Takahiro Muroya, Katsuya Mikami, Kenichi Hakamada
The patient underwent robot-assisted total gastrectomy for an early gastric cancer. Thirty-four months later, he was admitted to another hospital because of abdominal discomfort. Computed tomography scans showed a giant solid mass approximately 13 cm in diameter in the lower abdomen. We performed a resection of the tumor; operative findings showed a giant solid tumor, without adhesion, in the mesentery of the jejunum. The tumor did not involve other parts of the small intestine. The resected tumor had a smooth surface with an elastic hard consistency...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133138/-case-of-laparoscopic-sigmoidectomy-for-a-patient-with-persistent-descending-mesocolon
#3
Shu Arai, Yoji Nishimura, Shinsuke Kazama, Yusuke Nishizawa, Hideki Ishikawa, Yoshihiro Mori, Takashi Takenoya, Michitoshi Takano
A 65-year-old man with bloody stools was diagnosed with sigmoid colon cancer on colonoscopy. A preoperative barium enema and a computed tomography colonography scan showed a medial displacement of his descending colon. The preoperative clinical diagnosis was stage cT1 colon cancer, N0, M0, cStage I . Laparoscopic sigmoidectomy was performed. We found adhesions between the descending colon mesentery and the pelvic wall, and noted that the descending colon was not fused with the retroperitoneum and was shifted to the midline...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133077/-a-case-of-angioimmunoblastic-t-cell-lymphoma-merged-with-colorectal-cancer-that-we-were-able-to-resect-after-a-chemotherapy-response
#4
Masaya Higashiguchi, Kenji Sakai, Teruyuki Kobayashi, Takashi Doi, Taichi Koyama, Minako Hoshi, Hirokazu Taniguchi, Masakazu Murakami, Kimimasa Ikeda, Eiji Kurokawa, Itsuko Nakamichi
The patient was 77-year-old man. He visited our hospital with the chief complaint of an abdominal mass in March 2015. We diagnosed the patient with transverse colon cancer and he was suspected of having malignant lymphoma. In March 2016, we attempted to perform right hemicolectomy for the transverse colon cancer, but it was difficult because swollen lymph nodes had formed a large mass with the surrounding tissue, including vessels of the mesentery. We could only complete the surgery after mesenteric lymph node biopsy...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28105623/-study-on-the-clinicopathologic-characteristics-and-prognostic-difference-of-gastric-stump-cancer-between-non-anastomotic-site-and-anastomotic-site
#5
Luchuan Chen, Shenghong Wei, Zaisheng Ye, Yi Wang, Qiuhong Zheng, Changhua Zhuo, Jun Xiao, Yi Zeng
OBJECTIVE: To evaluate the clinicopathologic characteristics and prognostic difference of gastric stump cancer between non-anastomotic site and anastomotic site. METHODS: Clinicopathologic data of 149 patients with gastric stump cancer undergoing operation (radical resection and palliative resection) in our department from January 1999 to June 2015 were analyzed retrospectively. Gastric stump cancer was defined as a primary carcinoma detected in the remnant stomach more than 5 years after subtotal gastrectomy for a benign disease(87 cases) or over 10 years after radical subtotal gastrectomy for a malignant disease (62 cases)...
January 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28099909/pathway-of-peritoneal-carcinomatosis-maybe-hematogenous-metastasis-rather-than-peritoneal-seeding
#6
Wei Ge, Gang Chen, Xiang-Shan Fan
GOALS: This study aimed to summarize the clinicopathological data of the cases of gastric cancer or colon cancer with regular metastasis in the mesentery of small intestine and explore the pathway of peritoneal carcinomatosis. MATERIALS AND METHODS: We retrospectively analyzed 5 cases of gastric cancer and 3 cases of colon cancer with regular metastasis in the mesentery of the small intestine from January 2014 to June 2016, including clinical information, gross manifestations during operation, treatment, and pathology...
January 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28045234/feasibility-of-umbilical-loop-ileostomy-in-overweight-and-obese-patients-with-rectal-cancer-during-laparoscopic-surgery-preliminary-results
#7
Seiji Ishiguro, Shunichiro Komatsu, Keiichi Ando, Takaaki Osawa, Kohei Yasui, Takashi Arikawa, Norifumi Ohashi, Masahiko Miyachi, Tsuyoshi Sano
We examined the feasibility of umbilical diverting ileostomy for overweight and obese patients with rectal cancer undergoing laparoscopic surgery. Four patients who were overweight or obese (BMI > 27 kg/m(2) ) were initially scheduled for the creation of a conventional loop ileostomy. Intraoperatively, however, this was considered too complicated because of thick subcutaneous fat, bulky mesentery, or both. Instead, patients received a diverting ileostomy with the placement of an umbilical stoma. All patients had protruding umbilical ileostomies...
February 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28008705/navigating-the-mesentery-part-ii-vascular-abnormalities-and-a-review-of-the-literature
#8
Jens Marius Nesgaard, Bojan V Stimec, Arne Olav Bakka, Bjorn Edwin, Dejan Ignjatovic
AIM: Vascular abnormalities present benefits and/or disadvantages for the patient undergoing surgery. The aims of this study were to define, classify, and demonstrate the courses and to assess the clinical value of arterial and venous abnormalities in the central mesentery. METHOD: We conducted a review of the anatomy of 340 patients planned for enrolment in the "Safe Radical D3 Right Hemicolectomy for Cancer through Preoperative Biphasic MDCT Angiography" trial, 312 of whom were submitted to surgery...
December 23, 2016: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/27995452/an-optimal-approach-for-laparoscopic-d3-lymphadenectomy-plus-complete-mesocolic-excision-d3-cme-for-right-sided-colon-cancer
#9
Daxing Xie, Chaoran Yu, Chun Gao, Hasan Osaiweran, Junbo Hu, Jianping Gong
BACKGROUND: It is common knowledge that high ligation of blood vessels at the D3 level and complete mesocolic excision (CME) are two critical points of right hemicolectomy for right colon cancer (RCC). (1-5) To date, a safe strategy for completing these two procedures under laparoscopic surgery has not been extensively described. The authors provide a video to demonstrate laparoscopic right hemicolectomy (D3 + CME) with an optimal mesentery-defined approach. By identifying three "tri-junctions," this approach facilitates dissection of the entire mesocolon along the embryologic planes as far centrally as possible and enables the high tie of feeding vessels at bifurcation...
December 19, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27984747/imaging-diagnostics-in-ovarian-cancer-magnetic-resonance-imaging-and-a-scoring-system-guiding-choice-of-primary-treatment
#10
Sigrid M Kasper, Margit Dueholm, Edvard Marinovskij, Jan Blaakær
OBJECTIVE: To analyze the ability of magnetic resonance imaging (MRI) and systematic evaluation at surgery to predict optimal cytoreduction in primary advanced ovarian cancer and to develop a preoperative scoring system for cancer staging. STUDY DESIGN: Preoperative MRI and standard laparotomy were performed in 99 women with either ovarian or primary peritoneal cancer. Using univariate and multivariate logistic regression analysis of a systematic description of the tumor in nine abdominal compartments obtained by MRI and during surgery plus clinical parameters, a scoring system was designed that predicted non-optimal cytoreduction...
October 29, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27878571/a-case-of-a-horseshoe-appendix
#11
Kazuya Takabatake, Jun Ikeda, Hirotaka Furuke, Chikage Kato, Takuya Kishimoto, Tatsuya Kumano, Kenichiro Imura, Katsumi Shimomura, Takeshi Kubota, Fumihiro Taniguchi, Yasuhiro Shioaki
Anomalies of the appendix are extremely rare, and a horseshoe appendix is even rarer. A literature search has revealed only five reported cases. In this report, we present a case of a horseshoe appendix.A 78-year-old man was referred for further examination following a positive fecal occult blood test. A mass in his ascending colon was detected on colonoscopy, while computed tomography showed that it was connected to the appendix. Tumor invasion derived from the ascending colon or appendix was suspected. We diagnosed ascending colon cancer prior to laparoscopic ileocecal resection...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27872541/splenic-metastasis-from-cancer-of-uterine-cervix-a-rare-case
#12
Jagannath Dixit, Noor Mohammed, Preethi Shetty
Cancer of uterine cervix is one of the most common malignancies in women. Metastatic recurrence of cervical cancer in spleen is rare, mostly seen in autopsies. Splenic metastasis from cervical cancer in a living patient without disseminated metastases is rarer. Here, we present the case of a lady aged 46 years with cervical cancer-squamous cell carcinoma-who had undergone radical hysterectomy and postoperative 50 Gy of intensity modulated radiation therapy in 25 fractions and 50 mg of weekly cisplatin for 6 weeks...
December 2016: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27864726/hand-assisted-laparoscopic-right-hemicolectomy-with-complete-mesocolic-excision-and-central-vascular-ligation-a-novel-technique-for-right-colon-cancer
#13
Qing-Bin Wu, Xiang-Bing Deng, Xu-Yang Yang, Bing-Chen Chen, Wan-Bin He, Tao Hu, Ming-Tian Wei, Zi-Qiang Wang
BACKGROUND: It can be difficult to locate the superior mesenteric vein and dissect around middle colic vessels during laparoscopic right hemicolectomy with complete mesocolon excision due to a high rate of vascular variations in the superior mesenteric vessels. Therefore, we report a modified technique for hand-assisted laparoscopic right hemicolectomy with complete mesocolic excision and central vascular ligation, which addresses these two problems. METHODS: Thirty-one consecutive patients with right colon cancer underwent this procedure from March 2014 to August 2015...
November 18, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27858358/an-ex-vivo-tissue-culture-model-for-anti-angiogenic-drug-testing
#14
Mohammad S Azimi, Michelle Lacey, Debasis Mondal, Walter L Murfee
Angiogenesis, defined as the growth of new blood vessels from existing ones, plays a key role in development, growth, and tissue repair. Its necessary role in tumor growth and metastasis has led to the creation of a new category of anti-angiogenic cancer therapies. Preclinical development and evaluation of potential drug candidates require models that mimic real microvascular networks. Here, we describe the rat mesentery culture model as a simple ex vivo assay that offers time-lapse imaging of intact microvascular network remodeling and demonstrate its application for anti-angiogenic drug testing...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27820870/inoculated-cell-density-as-a-determinant-factor-of-the-growth-dynamics-and-metastatic-efficiency-of-a-breast-cancer-murine-model
#15
Ana C Gregório, Nuno A Fonseca, Vera Moura, Manuela Lacerda, Paulo Figueiredo, Sérgio Simões, Sérgio Dias, João Nuno Moreira
4T1 metastatic breast cancer model have been widely used to study stage IV human breast cancer. However, the frequent inoculation of a large number of cells, gives rise to fast growing tumors, as well as to a surprisingly low metastatic take rate. The present work aimed at establishing the conditions enabling high metastatic take rate of the triple-negative murine 4T1 syngeneic breast cancer model. An 87% 4T1 tumor incidence was observed when as few as 500 cancer cells were implanted. 4T1 cancer cells colonized primarily the lungs with 100% efficiency, and distant lesions were also commonly identified in the mesentery and pancreas...
2016: PloS One
https://www.readbyqxmd.com/read/27781240/-anatomical-structures-relevant-to-complete-mesocolic-excision-mesentery-fascia-and-space
#16
Zhidong Gao, Yingjiang Ye
Anatomy is the foundation of surgical techniques. With the development of surgery, anatomy also divided into traditional anatomy, surgical anatomy and embryonic development anatomy. Complete mesocolic excision (CME) is one of classic radical operation for colon cancer, based on the modern anatomy. CME advocates correct operation plane, and describes the mobilization and separation of the colon together with the entire regional mesocolon. With the evolution of anatomy, the definition and content of CME-related anatomic landmarks such as mesentery, fascia and space have been changed...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27781239/-the-third-component-in-surgical-anatomy-and-its-impacts
#17
Jianping Gong
Surgical or local anatomy consists of two components conventionally, organs and their blood supply. In fact, they are enveloped by the fascia membrane and serous membrane. This is the third component in surgical or local anatomy, which is omitted by surgeons for many years. The omitted reasons are failed recognition and unknown function. Re-understanding of the third component in surgical or local anatomy will make some changes in the local anatomy, tumor pathology, oncology surgery and operations. Firstly, the third component makes surgical anatomy developed from organ anatomy, blood vessel anatomy to membrane anatomy, which consists of the mesentery in broad sense and its bed, both include serous membrane and fascia membrane...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27734589/mesopancreas-is-a-misnomer-time-to-correct-the-nomenclature
#18
REVIEW
Dhananjaya Sharma, Shuji Isaji
Focused pathological attention to tumor invasion of the retroperitoneal resection margin after pancreaticoduodenectomy for cancer of head of the pancreas led to the knowledge of strong tendency of cancer cells to infiltrate into the retropancreatic tissue and to spread along the peripancreatic neural plexuses as the cause of local recurrence. The term 'mesopancreas' was coined to describe perineural lymphatic layer located dorsally to the pancreas and it was suggested that its complete resection will minimize loco-regional recurrence and improve outcome...
December 2016: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/27716880/peritoneal-metastases-from-adrenal-cortical-carcinoma-treated-by-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy
#19
Paul H Sugarbaker
PURPOSE: Adrenal cortical carcinoma is a rare cancer that often presents in an advanced stage. Not only systemic metastases but also local recurrence and peritoneal metastases prevent long-term survival in these patients. METHODS: A profoundly symptomatic patient with extensive peritoneal metastases and local recurrence was treated using cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) with melphalan as the chemotherapy agent. RESULTS: Relative sparing of the small bowel within the abdomen and pelvis allowed a visible complete resection of all cancer...
December 1, 2016: Tumori
https://www.readbyqxmd.com/read/27566031/complete-mesocolic-excision-and-central-vascular-ligation-for-colon-cancer-principle-anatomy-surgical-technique-and-outcomes
#20
REVIEW
Nam Kyu Kim, Young Wan Kim, Yoon Dae Han, Min Soo Cho, Hyuk Hur, Byung Soh Min, Kang Young Lee
Classic colon cancer surgery refers to a wide resection of the tumor-bearing segment and the lymphatics draining along the named artery. The concept of TME has been applied to colon cancer and complete mesocolic excision (CME) in conjuction with central vascular ligation (CVL) has been introduced as the surgical treatment for colon cancer. Here, we discuss appropriate CME procedure with regard to the oncologic backgrounds, essential components, applied anatomy, laparoscopic technique, short-term, and oncologic outcomes...
September 2016: Surgical Oncology
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